Lab06 CSE110_JAVA.txt

Classwork###############################################################################



Task02-------------------------------------------------------------------------------


import java.util.Scanner;

public class Name {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        
        // Taking input from the user
        System.out.print("Enter the height of the left-justified right triangle: ");
        int height = scanner.nextInt();
        
        // Generating the left-justified right triangle
        for (int r = 1; r <= height; r++) {
            // Printing numbers in each row
            for (int c = 1; c <= height; c++) {
              if (c <= r) { 
                System.out.print(c+ " ");
              }
            }   
            // Moving to the next line after printing each row
            System.out.println();
        }        
        scanner.close();
    }
}



Alter Task02--------------------------------------------------------------------------



import java.util.Scanner;

public class Name {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        
        // Taking input from the user
        System.out.print("Enter the height of the left-justified hollow right triangle: ");
        int height = scanner.nextInt();
        
        // Generating the left-justified hollow right triangle
        for (int r = 1; r <= height; r++) {
            // Printing numbers in each row
            for (int c = 1; c <= r; c++) {
              System.out.print(c);
    
            }           
            // Moving to the next line after printing each row
            System.out.println();
        }        
        scanner.close();
    }
}




Task03---------------------------------------------------------------------------------


import java.util.Scanner;

public class Name {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        
        // Taking input from the user
        System.out.print("Enter the height of the right triangle: ");
        int height = scanner.nextInt();
        
        // Generating the right-justified right triangle
        for (int r = 1; r <= height; r++) {
            // Printing numbers and spaces in each row
            for (int c = 1; c <= height; c++) {
                if (c <= height - r) {
                    // Print spaces for right justification
                    System.out.print("    ");
                } else {
                    // Print numbers
                    System.out.print(c+"  ");
                }
            }
            
            // Moving to the next line after printing each row
            System.out.println();
        }        
        scanner.close();
    }
}


Task04-------------------------------------------------------------------------------


import java.util.Scanner;

public class Name {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        
        // Taking input from the user
        System.out.print("Enter the height of the isosceles triangle: ");
        int height = scanner.nextInt();
        

        for (int r = 1; r <= height; r++) {
            // Printing numbers in each row
          for (int s=1; s<=((2*height) - (2* r)); s++) {
            System.out.print("  ");
          }
          for (int c = 1; c <= 2*r-1 ; c++) {
            System.out.print(c+"  ");
          }
            
            // Moving to the next line after printing each row
            System.out.println();
        }        
        scanner.close();
    }
}




Class Evaluation###########################################################################



Task01--------------------------------------------------------------------------------


import java.util.Scanner; 
public class Name {
  public static void main(String[] args) { 
    Scanner sc = new Scanner (System.in); 
    int num = sc.nextInt();
    for (int i = 0; i < num; i++) {
      for (int j = 1; j <= num; j++) {     
        if (j==num) {
          System.out.println(j);
          System.out.println();
        }
        else {
          System.out.print(j);
        }
      }
    }  
  
    
  }
}




Task02-------------------------------------------------------------------------------------

import java.util.Scanner;

public class Name {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        
        // Taking input from the user
        System.out.print("Enter the height of the right triangle: ");
        int height = scanner.nextInt();
        
        // Generating the right-justified right triangle
        for (int r = 1; r <= height; r++) {
            // Printing numbers and spaces in each row
            for (int c = 1; c <= height; c++) {
                if (c <= height - r) {
                    // Print spaces for right justification
                    System.out.print("    ");
                } else {
                    // Print numbers
                    System.out.print(c - (height - r) + "  ");
                }
            }
            
            // Moving to the next line after printing each row
            System.out.println();
        }        
        scanner.close();
    }
}







Homework##############################################################################



Task01------------------------------------------------------------------------------




import java.util.Scanner; 
public class Name {
  public static void main(String[] args) { 
    Scanner sc = new Scanner (System.in); 
    System.out.print("Enter the length of the rectangle: ");
    int length = sc.nextInt();
    System.out.print("Enter the width of the rectangle: ");
    int width = sc.nextInt();
    for (int i = 0; i < width; i++) {
      for (int j = length; j >0; j--) {     
        if (j==1) {
          System.out.println(j);
        }
        else {
          System.out.print(j+" ");
        }
      }
    }  
  
    
  }
}




Task02-------------------------------------------------------------------------------


import java.util.Scanner;

public class Name {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        
        // Taking input from the user
        System.out.print("Enter the height of the palindromic isosceles triangle: ");
        int height = scanner.nextInt();
        
        // Generating the palindromic isosceles triangle
        for (int r = 1; r <= height; r++) {
            // Printing leading spaces
          for (int s=1; s<=((2*height) - (2* r)); s++) {
            System.out.print("  ");
          }
            
            // Printing ascending and descending numbers
            for (int c = 1; c <= 2*r - 1; c++) {
                if (c <= r) {
                    System.out.print(c+"  ");
                } else {
                  System.out.print(2*r-c+"  ");
                }

            }
            
            // Moving to the next line after printing each row
            System.out.println();
        }
        
        scanner.close();
    }
}





Task03--------------------------------------------------------------------------------



import java.util.Scanner;

public class Name{
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        
        // Taking input from the user
        System.out.print("Enter the length of the rectangle: ");
        int length = scanner.nextInt();
        System.out.print("Enter the width of the rectangle: ");
        int width = scanner.nextInt();
        
        // Generating the hollow rectangle
        for (int i = 1; i <= width; i++) {
            // Print numbers in the first and last rows
            if (i == 1 || i == width) {
                for (int j = 1; j <= length; j++) {
                    System.out.print(j);
                }
            } else { // Print spaces for inner rows
                System.out.print(1);
                for (int j = 2; j < length; j++) {
                    System.out.print("  ");  
                }
                System.out.print(length);
            }
            // Move to the next line after each row
            System.out.println();
        }
        
        scanner.close();
    }
}





Task04----------------------------------------------------------------------------------




import java.util.Scanner;

public class Name {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        
        // Taking input from the user
        System.out.print("Enter the height of the left-justified hollow right triangle: ");
        int height = scanner.nextInt();
        
        // Generating the left-justified hollow right triangle
        for (int r = 1; r <= height; r++) {
            // Printing numbers in each row
            for (int c = 1; c <= r; c++) {
                if (c == 1 || c == r || r == height) {
                    System.out.print(c + "  ");
                } else {
                    System.out.print("    ");
                }
            }           
            // Moving to the next line after printing each row
            System.out.println();
        }        
        scanner.close();
    }
}




Task05------------------------------------------------------------------------------------

import java.util.Scanner;

public class Name {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        
        // Taking input from the user
        System.out.print("Enter the height of the isosceles triangle: ");
        int height = scanner.nextInt();
        

        for (int r = 1; r <= height; r++) {
            // Printing numbers in each row
          for (int s=1; s<=((2*height) - (2* r)); s++) {
            System.out.print("  ");
          }
          for (int c = 1; c <= 2*r-1 ; c++) {
            if (r==1 || r==height || c==1 || c==2*r-1) { 
              System.out.print(c+"  ");
            }
            else {
              System.out.print("    ");
            }     
          }         
            // Moving to the next line after printing each row
            System.out.println();
        }        
        scanner.close();
    }
}



Task06--------------------------------------------------------------------------------


import java.util.Scanner;

public class Name {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        
        // Taking input from the user
        System.out.print("Enter the height of the isosceles triangle: ");
        int height = scanner.nextInt();
        

        for (int r = 1; r <= 2*height -1; r++) {
            // Printing numbers in each row
          int space = 2*(height-r);
          if (space<0) {
            space = space * -1;
          }
          for (int s=1; s<=space; s++) {
            System.out.print("  ");
          }
          int newR=r;
          if (r>height) { 
            newR = height - (r-height);
          }
          for (int c = 1; c <= 2*newR-1 ; c++) {
            System.out.print(c+"  ");
          }
            
            // Moving to the next line after printing each row
            System.out.println();
        }        
        scanner.close();
    }
}




Alter (Easy) Task06------------------------------------------------------------------------


import java.util.Scanner;

public class Name {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        
        // Taking input from the user
        System.out.print("Enter the height of the isosceles triangle: ");
        int height = scanner.nextInt();
        

        for (int r = 1; r <= 2*height -1; r++) {
          
            // Printing numbers in each row
          int newR=r;
          if (r>height) { 
            newR = height - (r-height);
          }
          for (int s=1; s<=((2*height)-(2*newR)) ; s++) {
            System.out.print("  ");
          }
          
          for (int c = 1; c <= 2*newR-1 ; c++) {
            System.out.print(c+"  ");
          }         
            // Moving to the next line after printing each row
            System.out.println();
        }        
        scanner.close();
    }
}


Task07---------------------------------------------------------------------------------


import java.util.Scanner;

public class Name {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        
        // Taking input from the user
        System.out.print("Enter the height of the isosceles triangle: ");
        int height = scanner.nextInt();
        

        for (int r = 1; r <= 2*height -1; r++) {
          
            // Printing numbers in each row
          int newR=r;
          if (r>height) { 
            newR = height - (r-height);
          }
          for (int s=1; s<=((2*height)-(2*newR)) ; s++) {
            System.out.print("  ");
          }
          
          for (int c = 1; c <= 2*newR-1 ; c++) {
            if (c==1 || c==2*newR-1) {
              System.out.print(c+"  ");
            }
            else {
              System.out.print("    ");
            }
          }  
            // Moving to the next line after printing each row
            System.out.println();
        }        
        scanner.close();
    }
}